Home / 8,677.61-11,975.15-4,698.75

Finding the Fourth Proportional to 8,677.61, 11,975.15 and 4,698.75

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Solution

The fourth proportional to 8,677.61, 11,975.15 and 4,698.75 is: 6,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.61 : 11,975.15 = 4,698.75 : x
  2. Step 2: Convert to fraction form
    8,677.61/11,975.15 = 4,698.75/x
  3. Step 3: Cross multiply
    8,677.61x = 11,975.15 × 4,698.75
  4. Step 4: Simplify right side
    8,677.61x = 56,268,247.81
  5. Step 5: Solve for x
    x = 56,268,247.81/8,677.61
  6. Step 6: Final answer
    x = 6,484.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.